Cathy Tuttle is the Executive Director of Seattle Neighborhood Greenways where she coordinates citywide strategic planning, branding, events, social media, advocacy, mapping and outreach for 19 local greenway groups. She is also founder and ride leader for Spokespeople, a group that educates and encourages people who want to learn to ride bikes for everyday transportation.

Cathy also founded 350 Washington State where she did planning, production, and project management for all 350.org events in Seattle since 2009; including Moving Planet Seattle 2011, Connect the Dots 2012, and 350 under the Space Needle in 2009.

Cathy served as co-chair of the Carbon Neutral Neighborhoods where she met with more than 100 local activists, experts and policymakers, developed surveys in seven languages, and prioritized policies to achieve carbon neutral neighborhoods. Cathy received the Happiness Award, Sustainable Seattle's highest individual award, the Sustainability Trailblazer award from the Sustainable Path Foundation, and Leadership in Livable Urban Communities, from Sustainable Seattle for the Seattle Neighborhood Greenways projects.